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HomeMy WebLinkAbout20210174 Ver 1_More Info Requested_20210426Strickland, Bev From: Homewood, Sue Sent: Monday, April 26, 2021 8:30 AM To: Chuck Truby; 'Scott Wallace' Cc: 'Hopper, Christopher D CIV (USA)'; josh Subject: RE: [External] RE: SAW-2021-01357 / Council Creek Subdivision / Keystone Group, Inc. / Graham / Alamance County, NC - REQUEST FOR ADDITIONAL INFORMATION Chuck, I have reviewed the application and your response to the USACE request for additional information. I have one follow up question: The updated plans provided show that Council Rd will be constructed at the top of bank of stream SA behind lot 50. The Division has significant concerns as to the feasibility of constructing a public roadway along this alignment without impacting the stream channel in some manner. Please provide a detailed construction sequence and erosion control plan for this location. The plans must clearly detail how the stream will be protected during construction activities. The Division also has concerns for long term viability of the stability of the stream at this location given the tendency of natural streams to move laterally in time, especially in areas that are experiencing increased urban growth. Please provide an analysis of how the stream stability will be maintained without further impacts for stabilization of the bank at this location and/or how the road will be protected from stream migration. Also, the PCN you submitted indicates that you are requesting a Buffer Authorization from the Division, however the Jordan Lake Buffer Rules are implemented by the local government. Please contact the appropriate local government regarding buffer authorizations. Please note that the impacts to the buffer from Council Road at the location shown behind lot 50 should be listed out separately as "road impacts other than a crossing" and will require mitigation for both Zone 1 and Zone 2 impacts in accordance with the Table of Uses. Lastly, in accordance with the thresholds listed in 401 Water Quality Certification #4256, this project requires an Individual Water Quality Certification. No action is required to modify your application, however the Division is required to issue a Public Notice at least 30 days prior to issuance of a certification. This project was placed on public notice on April 16, 2021. The Division will consider this application on hold until receipt of the information requested above, and until the Public Notice period is complete. Sue Homewood Division of Water Resources, Winston Salem Regional Office Department of Environmental Quality 336 776 9693 office 336 813 1863 mobile Sue.Homewood@ncdenr.gov 450 W. Hanes Mill Rd, Suite 300 Winston Salem NC 27105 1 From: Chuck Truby <chuckt@cptengineering.com> Sent: Wednesday, April 21, 2021 2:24 PM To: 'Hopper, Christopher D CIV (USA)' <Christopher.D.Hopper@usace.army.mil>; Homewood, Sue <sue.homewood@ncdenr.gov> Cc: 'Scott Wallace' <SWallace@gokeystone.com> Subject: [External] RE: SAW-2021-01357 / Council Creek Subdivision / Keystone Group, Inc. / Graham / Alamance County, NC - REQUEST FOR ADDITIONAL INFORMATION CAUTION: External email. Do not click links or open attachments unless you verify. Send all suspicious email as an attachment to Report Spam. Christopher: We had Michael Brame go back on site and he determined the end of the stream in question and average width of the stream at the road crossing. His map is attached. Please note that the boundary of the property in this exhibit is from GIS and ours is from an actual survey. We revised our plans and extended the stream buffer. I have attached the revised sheet of the PCN to change the average stream width to 5'. This results in an impact that is less than 0.02 acres. We revised the exhibits related to the rip rap and have provided a blow up of the area across from lot 50. Please review this information and feel free to call me if you have any questions. Chuck Truby, P.E., P.L.S. CPT Engineering and Surveying, Inc. 4400 Tyning Street High Point, N.C. 27265 336-812-8800 x 304 From: Hopper, Christopher D CIV (USA) [mailto:Christopher.D.Hopper@usace.army.mil] Sent: Friday, April 2, 2021 3:27 PM To: Chuck Truby <chuckt@cptengineering.com>; Homewood, Sue <sue.homewood@ncdenr.gov> Subject: SAW-2021-01357 / Council Creek Subdivision / Keystone Group, Inc. / Graham / Alamance County, NC - REQUEST FOR ADDITIONAL INFORMATION Good Afternoon, Chuck: Thank you for your PCN and attached information, dated 3/4/2021, and for the Agent Authorization form you shared today for the above referenced project. I have reviewed the information and need clarification before proceeding with verifying the use of Nationwide Permit 29 (https://saw-reg.usace.army.mil/NWP2021/NWP29.pdf). Please submit the requested information below (via e-mail is fine) within 30 days of receipt of this Notification, otherwise we may deny verification of the use of the Nationwide Permit or consider your application withdrawn and close the file: 1) The property boundary utilized by the wetland consultant appears to differ from that shown on the surveyed plans. Stream SC is reported to be 83 linear feet and extends to the property line used in that effort. A review of LiDAR data suggests the feature may be longer and potentially impacted behind lots 74 and 75. Please confirm the stream offsite does/would not be impacted by the project as proposed. 2) Pursuant to Nationwide Permit (NWP) 29 regional condition 7, stream loss in excess of 0.02 acre require mitigation to offset the loss of Waters of the US. The PCN reports 145 linear feet of 10-foot wide stream channel would be impacted by the proposed road crossing. You must provide proof of mitigation credit availability, In - lieu fee program acceptance, or if neither are available submit a Permittee Responsible Mitigation Plan for our review before use of this permit can be verified. 2 3) Please provide a profile illustration to demonstrate riprap placement below the proposed stream crossing would be compliant with NWP 29 regional condition 8 (Riprap placement). The exhibit would be attached to your permit verification for reference by construction contractors. 4) Additional detail is required for construction proposed for the road adjacent to Stream SA (across from lot 50 on the exhibits provided). Two wetlands and the stream appear to be located within the project disturbance area. Due to the proximity of these resources to proposed construction, line weights are too large to complete our review. Would permanent impacts be required? Would temporary impacts be required? What measures are proposed to protect areas beyond the disturbance? Please provide an exhibit detailing activities in this area. Please let me know if you have any questions. Christopher D. Hopper Regulatory Specialist U.S. Army Corps of Engineers Regulatory Division 3331 Heritage Trade Drive, Suite 105 Wake Forest, NC 27587 (919) 554-4884, Ext. 35 We would appreciate your feedback on how we are performing our duties. Our automated Customer Service Survey can be accessed by copying and pasting the following link into your web browser: http://corpsmapu.usace.army.mil/cm apex/f?p=136:4:0. Thank you for taking the time to visit this site and complete the survey. From: Chuck Truby <chuckt@cptengineering.com> Sent: Friday, April 2, 2021 3:10 PM To: Hopper, Christopher D CIV (USA) <Christopher.D.Hopper@usace.army.mil> Subject: [Non-DoD Source] Fwd: Council Creek Here you go. Sorry for the delay. Sent from my iPhone Chuck Truby Begin forwarded message: From: Scott Wallace <SWallace@gokeystone.com> Date: March 31, 2021 at 5:07:41 PM EDT To: Chuck Truby <chuckt@cptengineering.com> Subject: RE: Council Creek Chuck, Attached, please find executed doc. Thx, Scott From: Chuck Truby <chuckt@cptengineering.com> Sent: Wednesday, March 31, 2021 3:47 PM 3 To: Scott Wallace <SWallace@gokeystone.com> Subject: Council Creek Please sign and return to me. Required by the USACE. ChuckTruby, P.E., P.L.S. CPT Engineering and Surveying, Inc. 4400 Tyning Street High Point, N.C. 27265 336-812-8800 x 304 4